DèLonghi ECAM35 55 Series Instructions For Use Manual page 23

The tubes inside the milk container (D) must
be cleaned.
The water softener filter (C4) is exhausted and
must be replaced or removed.
The machine must be descaled.
ECO
Energy saving is enabled.
Turn the froth adjustment dial (D1) to CLEAN
(fig. 19).
Replace the filter or remove it as described in
section "17. Water softener filter".
The descaling procedure described in section
"15. Descaling" needs to be performed.
The appliance may request descaling cycles at
very short intervals. This is normal and due to
the appliance's advanced control system.
To disable energy saving, proceed as described
in section "8.5 General" - "•Energy saving:"
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